Poon Saan is a small settlement on Christmas Island, an external territory of Australia. Ethnic Chinese make up the majority of inhabitants. In Cantonese, Poon Saan (半山, Jyutping: bun3 saan1) means "halfway up the hill". The architecture of Poon Saan reflects the Chinese heritage of the majority of residents in being Singapore style units, rather than the Western style common in the Settlement.